针对一种柴油机电控管理系统开发了故障诊断模块，相应开发了一种基于计算机的电控柴油机故障诊断系统。该故障诊断模块和故障诊断系统配合使用，可以方便、全面地对柴油机电控系统进行诊断和自诊断。该系统有较好的扩展性，是柴油机电控系统测试、维修及开发的有效工具。 A fault diagnosis module has been developed for a diesel engine electronic control system and a computer-based fault diagnosis system for electronically controlled diesel engine has been developed. The fault diagnosis module and fault diagnosis system with the use of, you can easily and comprehensively on the diesel electronic control system for diagnosis and self-diagnosis. The system has good scalability, diesel engine electronic control system testing, maintenance and development of effective tools.